IEC 60512-26-100:2008+A1:2011 specifies the test and measurements and the related measurement setup and reference arrangements for interoperability and backward compatibility tests for the development and qualification of 8-way, free and fixed connectors for data transmission. The following test methods are provided:- insertion loss, test 26a;- return loss, test 26b;- near-end crosstalk (NEXT), test 26c;- far-end crosstalk (FEXT), test 26d;- transfer impedance, test 26e;- transverse conversion loss (TCL), test 26f;- transverse conversion transfer loss (TCTL), test 26g.This publication is to be read in conjunction with IEC 60512-1:2001 and IEC 60512-1-100:2006.This consolidated version consists of the first edition (2008) and its amendment 1 (2011). Therefore, no need to order amendment in addition to this publication.